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<p class=MsoNormal>Folks,<o:p></o:p></p>

<p class=MsoNormal><o:p> </o:p></p>

<p class=MsoNormal>The next SG16 meeting will be held 26 October – 6 November
2009.  The meeting notice from the ITU can be found here: <a
href="http://www.itu.int/md/T09-SG16-COL-0004/en">http://www.itu.int/md/T09-SG16-COL-0004/en</a><o:p></o:p></p>

<p class=MsoNormal><o:p> </o:p></p>

<p class=MsoNormal><span style='font-size:16.0pt;color:#168620'>Question 2<o:p></o:p></span></p>

<p class=MsoNormal>We have a number of documents in Q2 that are scheduled for
consent and I’d really like to ensure we are successful in addressing any
and all open issues so that we can successfully consent those documents. 
The work program for Q2 is shown at the top of this page:<o:p></o:p></p>

<p class=MsoNormal><a href="http://www.packetizer.com/ipmc/h323/doc_status.html">http://www.packetizer.com/ipmc/h323/doc_status.html</a><o:p></o:p></p>

<p class=MsoNormal><o:p> </o:p></p>

<p class=MsoNormal>The documents scheduled for consent include:<o:p></o:p></p>

<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-family:Symbol'><span style='mso-list:Ignore'>·<span
style='font:7.0pt "Times New Roman"'>        
</span></span></span><![endif]>H.323v7<o:p></o:p></p>

<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-family:Symbol'><span style='mso-list:Ignore'>·<span
style='font:7.0pt "Times New Roman"'>        
</span></span></span><![endif]>H.225.0v7<o:p></o:p></p>

<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-family:Symbol'><span style='mso-list:Ignore'>·<span
style='font:7.0pt "Times New Roman"'>        
</span></span></span><![endif]>H.245v15<o:p></o:p></p>

<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-family:Symbol'><span style='mso-list:Ignore'>·<span
style='font:7.0pt "Times New Roman"'>        
</span></span></span><![endif]>H.460.geo (Transport of geographic information in
H.323)<o:p></o:p></p>

<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-family:Symbol'><span style='mso-list:Ignore'>·<span
style='font:7.0pt "Times New Roman"'>        
</span></span></span><![endif]>H.460.23 (NAT Determination)<o:p></o:p></p>

<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-family:Symbol'><span style='mso-list:Ignore'>·<span
style='font:7.0pt "Times New Roman"'>        
</span></span></span><![endif]>H.460.24 (Point-to-Point Media Flows through
NAT)<o:p></o:p></p>

<p class=MsoNormal><o:p> </o:p></p>

<p class=MsoNormal>Also on that page are links to all of the documents.  I
would strongly encourage those interested in any particular document to review
the text in advance and prepare a contribution, if necessary, to address any
concerns you might have.  Of course, you’re also welcome to discuss
issues directly with me, the various editors, or with the whole group via this
mailing list in advance of the meeting.  My objective is to ensure that we
are able to consent these texts without running into unforeseen obstacles.<o:p></o:p></p>

<p class=MsoNormal><o:p> </o:p></p>

<p class=MsoNormal><span style='font-size:16.0pt;color:#168620'>Question 12<o:p></o:p></span></p>

<p class=MsoNormal>As you know, the work in Question 12 is progressing, but we
are not at a state where we have any documents to consider for consent. 
Nonetheless, there are a number of documents in progress.  They are shown
at the top of this page:<o:p></o:p></p>

<p class=MsoNormal><a href="http://www.packetizer.com/ipmc/h325/doc_status.html">http://www.packetizer.com/ipmc/h325/doc_status.html</a><o:p></o:p></p>

<p class=MsoNormal><o:p> </o:p></p>

<p class=MsoNormal>While the requirements may not be entirely finalized, I
believe that they have sufficiently progressed to a point where we can start to
talk about information flows.  What I would like to see are contributions
that speak to the following topics:<o:p></o:p></p>

<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-family:Symbol'><span style='mso-list:Ignore'>·<span
style='font:7.0pt "Times New Roman"'>        
</span></span></span><![endif]>What information needs to be conveyed between
applications and the Container<o:p></o:p></p>

<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-family:Symbol'><span style='mso-list:Ignore'>·<span
style='font:7.0pt "Times New Roman"'>        
</span></span></span><![endif]>What information needs to be conveyed between
the Container and the network<o:p></o:p></p>

<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span
style='font-family:Symbol'><span style='mso-list:Ignore'>·<span
style='font:7.0pt "Times New Roman"'>        
</span></span></span><![endif]>What the syntax might look like<o:p></o:p></p>

<p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;
mso-list:l0 level2 lfo1'><![if !supportLists]><span style='font-family:"Courier New"'><span
style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'>  
</span></span></span><![endif]>We had previously agreed to use XML and possibly
XML compression techniques<o:p></o:p></p>

<p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;
mso-list:l0 level2 lfo1'><![if !supportLists]><span style='font-family:"Courier New"'><span
style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'>  
</span></span></span><![endif]>We ought to try to put this into a more concrete
form, even if we might change things a few times until we’re comfortable
with what we have<o:p></o:p></p>

<p class=MsoNormal><o:p> </o:p></p>

<p class=MsoNormal>One of the things I’ve been looking at is how to
ensure that we can properly design a system that supports versioning of
messages in a way that is similar to the way other communication systems allow
for the introduction of new information elements.  The conclusion I reached
was that XML Schema 1.0 is insufficient for our needs.  What will work,
though, is XML Schema 1.1, which earlier this year reached Candidate
Recommendation status in the W3C.  A really good overview of what’s
new in XML Schema 1.1 can be found here:<o:p></o:p></p>

<p class=MsoNormal><a
href="http://www.xfront.com/xml-schema-1-1/xml-schema-1-1.ppt">http://www.xfront.com/xml-schema-1-1/xml-schema-1-1.ppt</a><o:p></o:p></p>

<p class=MsoNormal><o:p> </o:p></p>

<p class=MsoNormal>Of particular interest, of course, are the additions that
relate to versioning.  (I sent this link to the h325-design list last
month, but I wanted to repeat it here for the benefit of others in WP2 who may
not be aware of it.  Plus, it has been revised numerous times and now
includes a relatively short tutorial at the beginning for all of those who
might not have the patience to read through a few hundred slides.)<o:p></o:p></p>

<p class=MsoNormal><o:p> </o:p></p>

<p class=MsoNormal>I look forward to seeing everyone in Geneva and hope we can
make good progress in both Q2 and Q12<o:p></o:p></p>

<p class=MsoNormal><o:p> </o:p></p>

<p class=MsoNormal>Kindest Regards,<o:p></o:p></p>

<p class=MsoNormal>Paul E. Jones<o:p></o:p></p>

<p class=MsoNormal>Rapporteur, Q2/16 and Q12/16<o:p></o:p></p>

<p class=MsoNormal>Cisco Systems, Inc.<o:p></o:p></p>

<p class=MsoNormal><o:p> </o:p></p>

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